1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.awt.Color; 25 import java.awt.Graphics2D; 26 import java.awt.GraphicsConfiguration; 27 import java.awt.GraphicsEnvironment; 28 import java.awt.Image; 29 import java.awt.Rectangle; 30 import java.awt.Shape; 31 import java.awt.geom.AffineTransform; 32 import java.awt.image.BufferedImage; 33 import java.awt.image.VolatileImage; 34 import java.io.File; 35 import java.io.IOException; 36 37 import javax.imageio.ImageIO; 38 39 import static java.awt.geom.Rectangle2D.Double; 40 41 /** 42 * @test 43 * @key headful 44 * @bug 8061831 8130400 45 * @summary Tests drawing volatile image to volatile image using different 46 * clips + xor mode. Results of the blit compatibleImage to 47 * compatibleImage is used for comparison. 48 * @run main/othervm -Dsun.java2d.uiScale=1 IncorrectClipXorModeSurface2Surface 49 * @run main/othervm -Dsun.java2d.uiScale=2 IncorrectClipXorModeSurface2Surface 50 * @run main/othervm -Dsun.java2d.uiScale=4 IncorrectClipXorModeSurface2Surface 51 */ 52 public final class IncorrectClipXorModeSurface2Surface { 53 54 private static int[] SIZES = {2, 10, 100}; 55 private static final Shape[] SHAPES = { 56 new Rectangle(0, 0, 0, 0), 57 new Rectangle(0, 0, 1, 1), 58 new Rectangle(0, 1, 1, 1), 59 new Rectangle(1, 0, 1, 1), 60 new Rectangle(1, 1, 1, 1), 61 62 new Double(0, 0, 0.5, 0.5), 63 new Double(0, 0.5, 0.5, 0.5), 64 new Double(0.5, 0, 0.5, 0.5), 65 new Double(0.5, 0.5, 0.5, 0.5), 66 new Double(0.25, 0.25, 0.5, 0.5), 67 new Double(0, 0.25, 1, 0.5), 68 new Double(0.25, 0, 0.5, 1), 69 70 new Double(.10, .10, .20, .20), 71 new Double(.75, .75, .20, .20), 72 new Double(.75, .10, .20, .20), 73 new Double(.10, .75, .20, .20), 74 }; 75 main(final String[] args)76 public static void main(final String[] args) throws IOException { 77 GraphicsEnvironment ge = GraphicsEnvironment 78 .getLocalGraphicsEnvironment(); 79 GraphicsConfiguration gc = ge.getDefaultScreenDevice() 80 .getDefaultConfiguration(); 81 AffineTransform at; 82 for (int size : SIZES) { 83 at = AffineTransform.getScaleInstance(size, size); 84 for (Shape clip : SHAPES) { 85 clip = at.createTransformedShape(clip); 86 for (Shape to : SHAPES) { 87 to = at.createTransformedShape(to); 88 // Prepare test images 89 BufferedImage snapshot; 90 VolatileImage source = getVolatileImage(gc, size); 91 VolatileImage target = getVolatileImage(gc, size); 92 int attempt = 0; 93 while (true) { 94 if (++attempt > 10) { 95 throw new RuntimeException("Too many attempts: " + attempt); 96 } 97 // Prepare source images 98 source.validate(gc); 99 Graphics2D g2d = source.createGraphics(); 100 g2d.setColor(Color.RED); 101 g2d.fillRect(0, 0, size, size); 102 g2d.dispose(); 103 if (source.validate(gc) != VolatileImage.IMAGE_OK) { 104 continue; 105 } 106 // Prepare target images 107 target.validate(gc); 108 g2d = target.createGraphics(); 109 g2d.setColor(Color.GREEN); 110 g2d.fillRect(0, 0, size, size); 111 g2d.dispose(); 112 if (target.validate(gc) != VolatileImage.IMAGE_OK) { 113 continue; 114 } 115 116 draw(clip, to, source, target); 117 snapshot = target.getSnapshot(); 118 if (source.contentsLost() || target.contentsLost()) { 119 continue; 120 } 121 break; 122 } 123 // Prepare gold images 124 BufferedImage goldS = getSourceGold(gc, size); 125 BufferedImage goldT = getTargetGold(gc, size); 126 draw(clip, to, goldS, goldT); 127 validate(snapshot, goldT); 128 source.flush(); 129 target.flush(); 130 } 131 } 132 } 133 } 134 draw(Shape clip, Shape shape, Image from, Image to)135 private static void draw(Shape clip, Shape shape, Image from, Image to) { 136 Graphics2D g2d = (Graphics2D) to.getGraphics(); 137 g2d.setXORMode(Color.BLACK); 138 g2d.setClip(clip); 139 Rectangle toBounds = shape.getBounds(); 140 g2d.drawImage(from, toBounds.x, toBounds.y, toBounds.width, 141 toBounds.height, null); 142 g2d.dispose(); 143 } 144 getSourceGold(GraphicsConfiguration gc, int size)145 private static BufferedImage getSourceGold(GraphicsConfiguration gc, 146 int size) { 147 final BufferedImage bi = gc.createCompatibleImage(size, size); 148 Graphics2D g2d = bi.createGraphics(); 149 g2d.setColor(Color.RED); 150 g2d.fillRect(0, 0, size, size); 151 g2d.dispose(); 152 return bi; 153 } 154 getTargetGold(GraphicsConfiguration gc, int size)155 private static BufferedImage getTargetGold(GraphicsConfiguration gc, 156 int size) { 157 BufferedImage image = gc.createCompatibleImage(size, size); 158 Graphics2D g2d = image.createGraphics(); 159 g2d.setColor(Color.GREEN); 160 g2d.fillRect(0, 0, size, size); 161 g2d.dispose(); 162 return image; 163 } 164 getVolatileImage(GraphicsConfiguration gc, int size)165 private static VolatileImage getVolatileImage(GraphicsConfiguration gc, 166 int size) { 167 return gc.createCompatibleVolatileImage(size, size); 168 } 169 validate(BufferedImage bi, BufferedImage goldbi)170 private static void validate(BufferedImage bi, BufferedImage goldbi) 171 throws IOException { 172 for (int x = 0; x < bi.getWidth(); ++x) { 173 for (int y = 0; y < bi.getHeight(); ++y) { 174 if (goldbi.getRGB(x, y) != bi.getRGB(x, y)) { 175 ImageIO.write(bi, "png", new File("actual.png")); 176 ImageIO.write(goldbi, "png", new File("expected.png")); 177 throw new RuntimeException("Test failed."); 178 } 179 } 180 } 181 } 182 } 183